Patent · US Active

Tap changer having a switching monitoring device

US7550688B2 · kind B2 · utility

0Cited by

2References

9Claims

0Family size

Assignee

MASCHINENFABRIK REINHAUSEN GMBH · DE

Inventors

Reinhold Baertl · Lappersdorf, DE
Dieter Dohnal · Lappersdorf, DE
Albert Schmidbauer · Roding, DE

Key dates

Filing date	Oct 21, 2006
Grant date	Jun 23, 2009
Priority date	—
Expiry date	Oct 21, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH01H3/44
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a tap changer having a switching monitoring device, which is arranged above the upper transmission stage in a housing. For monitoring purposes, two cam switches are provided which are actuated by a cam disk which is connected to the contact-bearing switch column of the tap changer. The cam disk has a horizontally split contour at its end face, wherein one of the two cam switches runs on each partial contour.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.